@PROCEEDINGS {FAJEMISIN:1984b, title = {Evaluation of progress on breeding for combined resistance to downy mildew and maize streak virus. 1. Late maturing varieties}, author = {Fajemisin, J. and Kim, S. K. and Efron, Y. and Khadr, F. H. }, booktitle = {Presented at the Twelfth Annual Conference of the Genetics Society of Nigeria 3-7 December}, year = {1984}, publisher = {University of Ife}, address = {Ile-Ife, Nigeria}, }